package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;


@Mapper
public interface CartMapper {
    /**
     * 根据菜品id\套餐id\口味 查询我的购物车数据
     * @param shoppingCart
     * @return
     */
    public  List<ShoppingCart> findByQuery(ShoppingCart shoppingCart);

    /**
     * 保存购物车
     * @param shoppingCart
     */
    public void insert(ShoppingCart shoppingCart);

    /**
     * 根据id修改购物车菜品数量
     * @param shoppingCart
     */
    public void updateNumberById(ShoppingCart shoppingCart);

    public  void deleteByUserId(Long userId);

    void deleteByQuery(ShoppingCart shoppingCart);
}
